To increase, effective as of December 1, 2013, the rates of compensation for veterans with service-connected disabilities and the rates of dependency and indemnity compensation for the survivors of certain disabled veterans, and for other purposes.

Veterans' Compensation Cost-of-Living Adjustment Act of 2013 - Directs the Secretary of Veterans Affairs (VA) to increase, as of December 1, 2013, the rates of veterans' disability compensation, additional compensation for dependents, the clothing allowance for certain disabled veterans, and dependency and indemnity compensation for surviving spouses and children. Requires each such increase to be the same percentage as the increase in benefits provided under title II (Old Age, Survivors and Disability Insurance) of the Social Security Act, on the same effective date.